PRODUCTION

Lady Bugs – Pretty Predator

A favorite “good bug” and alternative to chemicals, ladybugs may be the world’s favorite beneficial insect.

When released at sundown (because they don’t fly at night), ladybugs eat aphids, mealy bugs, scale, leaf hoppers, various plant-eating worms and other destructive soft-bodied pests. And they keep on eating until the bad guys are gone, laying their own eggs in the process. When new pests arrive, fresh ladybugs will be waiting.

Lady Bug

RELEASE: Ladybugs should always be released after sundown since they only fly in the daytime. During the night, they will search the area for food and stay as long as there is food for them to eat. The more they eat the more eggs they lay and the more insect-eating larvae you will have. It is best if the area has been recently watered. Ladybugs tend to crawl up and toward light. So, release them in small groups at the base of plants and shrubs that have aphids or other insects, and in the lower part of trees.

Lady Bug Eating Pests

RECOMMENDATIONS: Ladybugs may be kept in the refrigerator after they are received (35-40 degrees F.) and released as needed. Ladybugs received March through May should not be stored more than 2 to 3 days since their body fat has been depleted. From June on, they may be stored for 2 to 3 months.
It is normal for there to be several dead Ladybugs in the container, especially those received from March through May. These bugs have reached the end of their life cycle. Packages contain many extra bugs to compensate for this.

Lady Bug Eating Pests

LIFE CYCLE: Ladybugs mate in the spring and lay yellow eggs in clusters of 10 to 50 on the underside of leaves. About five days later the larvae emerge and will eat about 400 aphids during their 2.5-week cycle. The larvae look like tiny black caterpillars with orange spots but do not eat vegetation.

The larvae then pupate and emerge from their cocoon as adults after about a week. They begin feeding on aphids, other insects, and pollen to build up their body fat. In the summer and fall the Ladybugs migrate into the mountains and during the winter they lie dormant under the snow. In the early spring, they fly back down to the lowlands to resume searching for food in earnest. They begin mating, lay eggs, and die.
These Ladybugs have been pre-fed a special protein diet which indicated to them that they have already reached the lowlands and should continue feeding immediately. This retards their natural instinct to fly when released.

Article Courtesy of: Organic Control, Inc.


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